Network Security

暗号文リプレイ保護

A security mechanism that detects and blocks the reuse of captured ciphertext to prevent replay attacks in encrypted communications, as outlined in NIST SP 800-38A and IETF RFC 4303.

Quick answer: A security mechanism that detects and blocks the reuse of captured ciphertext to prevent replay attacks in encrypted communications, as outlined in NIST SP 800-38A and IETF RFC 4303.

This term page is part of the Protermify Cybersecurity glossary and is published as static HTML for fast indexing and clear language coverage.

Languages

Quick answer

A security mechanism that detects and blocks the reuse of captured ciphertext to prevent replay attacks in encrypted communications, as outlined in NIST SP 800-38A and IETF RFC 4303.

Why it matters

暗号文リプレイ保護 matters because it supports clear communication in Network Security contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.

Editorial context

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Questions and answers

Questions and answers

What is 暗号文リプレイ保護?

In this glossary, 暗号文リプレイ保護 refers to: A security mechanism that detects and blocks the reuse of captured ciphertext to prevent replay attacks in encrypted communications, as outlined in NIST SP 800-38A and IETF RFC 4303.

How is 暗号文リプレイ保護 used in cybersecurity?

In cybersecurity communication, this term appears in contexts such as: "すべての安全なメッセージングプロトコルで暗号文リプレイ保護を実装し、攻撃者が以前取得した暗号化パケットを再送するのを防いでください。"

Why does 暗号文リプレイ保護 matter in cybersecurity?

暗号文リプレイ保護 matters because it supports clear communication in Network Security contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.

Who uses 暗号文リプレイ保護?

暗号文リプレイ保護 is mainly used by SOC Analysts, Security Engineers, and Incident Responders.

What category does 暗号文リプレイ保護 belong to?

In this glossary, 暗号文リプレイ保護 is grouped under Network Security. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK and published by Protermify Cybersecurity as a static cybersecurity reference page.

Definition

A security mechanism that detects and blocks the reuse of captured ciphertext to prevent replay attacks in encrypted communications, as outlined in NIST SP 800-38A and IETF RFC 4303.

Operational example

Implement ciphertext replay protection in all secure messaging protocols to block attackers from resending previously captured encrypted packets.

Localized term

暗号文リプレイ保護

Localized example

すべての安全なメッセージングプロトコルで暗号文リプレイ保護を実装し、攻撃者が以前取得した暗号化パケットを再送するのを防いでください。

Definition language

English reference definition

Source

ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK

Category

Network Security

Exam relevance

  • CISSP
  • CompTIA Security+
  • CEH

Target audience

  • SOC Analysts
  • Security Engineers
  • Incident Responders

Related terms

Use the related links below to continue through connected cybersecurity terminology.

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